We need to configure the vRealize Orchestrator Server. To do so, open your favorite browser and open the URL https://<IP or FQDN of the Orchestrator Server>:8281/vco/
Under Configure the Orchestrator Server, click Orchestrator Control Center.
In the Control Center, click Configure Authentication Provider.
Change the Authentication type to vSphere and mention the IP Address of the vCenter Server and click Connect.
Click Accept Certificate.
Enter the SSO Password and click Register.
Once entered, click Save Changes.
Click On Startup Options in the Control Center.
You will see an warning stating that Server Restart is required. Click Restart to perform the reboot.